“Is N=2 large?” queried Kitano, Yamada and Yamazaki in their paper title. Exactly five months later, they co-wrote with Matsudo a paper titled “N=2 is large“, proving that their question was, after all, rhetorical.
Papers ask the darndest things. Collected below are titular posers from the field’s literature that keep us up at night.
How stable is the photon?
(Abstract: “Yes, the photon.”)
Why is ?